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Effect of Spin Reorientational Transition on Magnetoresistivity of Noncolinear Ferromagnet U_{3}As_{4}

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Bakker K., Wiśniewski P., Henkie Z., Franse J.

Acta Physica Polonica A

1994

vol. 85

issue 2

245-248

Transverse magnetoresistivity (H ∥ [001]; and current ∥ [110]) of U_{3}As_{4} has been measured in field up to 35 T. An abrupt change of the magnetoresistivity behaviour from saturated (low field) to unsaturated (high field) type was observed at the spin reorientational transition (19.1 T at 4.2 K). The transition is accompanied by a peak in the magnetoresistivity. The behaviour is ascribed to fractional spin polarization of the band electrons.

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1 Acta Physica Polonica A

1 1994

1 Bakker K.

1 Franse J.

1 Henkie Z.

1 Wiśniewski P.

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Effect of Spin Reorientational Transition on Magnetoresistivity of Noncolinear Ferromagnet U_{3}As_{4}